8666244181 has 8 divisors (see below), whose sum is σ = 9961530624. Its totient is φ = 7385270640.

The previous prime is 8666244157. The next prime is 8666244187. The reversal of 8666244181 is 1814426668.

8666244181 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8666244181 is a prime.

It is a super-2 number, since 2×8666244181² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8666244187) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3576925 + ... + 3579346.

It is an arithmetic number, because the mean of its divisors is an integer number (1245191328).

Almost surely, 2^8666244181 is an apocalyptic number.

It is an amenable number.

8666244181 is a deficient number, since it is larger than the sum of its proper divisors (1295286443).

8666244181 is a wasteful number, since it uses less digits than its factorization.

8666244181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7156451.

The product of its digits is 442368, while the sum is 46.

The square root of 8666244181 is about 93092.6644854470. The cubic root of 8666244181 is about 2054.0466710389.

The spelling of 8666244181 in words is "eight billion, six hundred sixty-six million, two hundred forty-four thousand, one hundred eighty-one".